style cleanup
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@@ -44,137 +44,141 @@ using namespace OSL;
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class DiffuseClosure : public BSDFClosure {
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public:
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Vec3 m_N;
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Vec3 m_N;
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DiffuseClosure() : BSDFClosure(Labels::DIFFUSE) { }
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DiffuseClosure() : BSDFClosure(Labels::DIFFUSE) {}
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void setup() {};
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void setup() {};
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bool mergeable (const ClosurePrimitive *other) const {
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const DiffuseClosure *comp = (const DiffuseClosure *)other;
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return m_N == comp->m_N && BSDFClosure::mergeable(other);
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}
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bool mergeable(const ClosurePrimitive *other) const {
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const DiffuseClosure *comp = (const DiffuseClosure *)other;
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return m_N == comp->m_N && BSDFClosure::mergeable(other);
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}
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size_t memsize () const { return sizeof(*this); }
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size_t memsize() const { return sizeof(*this); }
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const char *name () const { return "diffuse"; }
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const char *name() const { return "diffuse"; }
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void print_on (std::ostream &out) const
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{
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out << name() << " ((" << m_N[0] << ", " << m_N[1] << ", " << m_N[2] << "))";
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}
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void print_on(std::ostream &out) const
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{
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out << name() << " ((" << m_N[0] << ", " << m_N[1] << ", " << m_N[2] << "))";
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}
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float albedo (const Vec3 &omega_out) const
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{
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return 1.0f;
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}
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float albedo(const Vec3 &omega_out) const
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{
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return 1.0f;
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}
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Color3 eval_reflect (const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const
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{
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float cos_pi = max(m_N.dot(omega_in),0.0f) * (float) M_1_PI;
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pdf = cos_pi;
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return Color3 (cos_pi, cos_pi, cos_pi);
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}
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Color3 eval_reflect(const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const
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{
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float cos_pi = max(m_N.dot(omega_in), 0.0f) * (float) M_1_PI;
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pdf = cos_pi;
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return Color3(cos_pi, cos_pi, cos_pi);
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}
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Color3 eval_transmit (const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const
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{
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return Color3 (0, 0, 0);
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}
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Color3 eval_transmit(const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const
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{
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return Color3(0, 0, 0);
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}
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ustring sample (const Vec3 &Ng,
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const Vec3 &omega_out, const Vec3 &domega_out_dx, const Vec3 &domega_out_dy,
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float randu, float randv,
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Vec3 &omega_in, Vec3 &domega_in_dx, Vec3 &domega_in_dy,
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float &pdf, Color3 &eval) const
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{
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// we are viewing the surface from the right side - send a ray out with cosine
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// distribution over the hemisphere
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sample_cos_hemisphere (m_N, omega_out, randu, randv, omega_in, pdf);
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if (Ng.dot(omega_in) > 0) {
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eval.setValue(pdf, pdf, pdf);
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// TODO: find a better approximation for the diffuse bounce
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domega_in_dx = (2 * m_N.dot(domega_out_dx)) * m_N - domega_out_dx;
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domega_in_dy = (2 * m_N.dot(domega_out_dy)) * m_N - domega_out_dy;
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domega_in_dx *= 125;
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domega_in_dy *= 125;
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} else
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pdf = 0;
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return Labels::REFLECT;
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}
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ustring sample(const Vec3 &Ng,
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const Vec3 &omega_out, const Vec3 &domega_out_dx, const Vec3 &domega_out_dy,
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float randu, float randv,
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Vec3 &omega_in, Vec3 &domega_in_dx, Vec3 &domega_in_dy,
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float &pdf, Color3 &eval) const
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{
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// we are viewing the surface from the right side - send a ray out with cosine
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// distribution over the hemisphere
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sample_cos_hemisphere(m_N, omega_out, randu, randv, omega_in, pdf);
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if (Ng.dot(omega_in) > 0) {
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eval.setValue(pdf, pdf, pdf);
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// TODO: find a better approximation for the diffuse bounce
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domega_in_dx = (2 * m_N.dot(domega_out_dx)) * m_N - domega_out_dx;
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domega_in_dy = (2 * m_N.dot(domega_out_dy)) * m_N - domega_out_dy;
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domega_in_dx *= 125;
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domega_in_dy *= 125;
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}
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else
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pdf = 0;
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return Labels::REFLECT;
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}
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};
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class TranslucentClosure : public BSDFClosure {
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public:
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Vec3 m_N;
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Vec3 m_N;
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TranslucentClosure() : BSDFClosure(Labels::DIFFUSE, Back) { }
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TranslucentClosure() : BSDFClosure(Labels::DIFFUSE, Back) {}
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void setup() {};
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void setup() {};
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bool mergeable (const ClosurePrimitive *other) const {
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const TranslucentClosure *comp = (const TranslucentClosure *)other;
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return m_N == comp->m_N && BSDFClosure::mergeable(other);
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}
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bool mergeable(const ClosurePrimitive *other) const {
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const TranslucentClosure *comp = (const TranslucentClosure *)other;
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return m_N == comp->m_N && BSDFClosure::mergeable(other);
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}
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size_t memsize () const { return sizeof(*this); }
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size_t memsize() const { return sizeof(*this); }
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const char *name () const { return "translucent"; }
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const char *name() const { return "translucent"; }
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void print_on (std::ostream &out) const
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{
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out << name() << " ((" << m_N[0] << ", " << m_N[1] << ", " << m_N[2] << "))";
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}
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void print_on(std::ostream &out) const
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{
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out << name() << " ((" << m_N[0] << ", " << m_N[1] << ", " << m_N[2] << "))";
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}
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Color3 eval_reflect (const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const
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{
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return Color3 (0, 0, 0);
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}
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Color3 eval_reflect(const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const
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{
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return Color3(0, 0, 0);
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}
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float albedo (const Vec3 &omega_out) const
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{
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return 1.0f;
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}
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float albedo(const Vec3 &omega_out) const
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{
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return 1.0f;
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}
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Color3 eval_transmit (const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const
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{
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float cos_pi = max(-m_N.dot(omega_in), 0.0f) * (float) M_1_PI;
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pdf = cos_pi;
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return Color3 (cos_pi, cos_pi, cos_pi);
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}
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Color3 eval_transmit(const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const
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{
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float cos_pi = max(-m_N.dot(omega_in), 0.0f) * (float) M_1_PI;
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pdf = cos_pi;
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return Color3(cos_pi, cos_pi, cos_pi);
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}
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ustring sample (const Vec3 &Ng,
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const Vec3 &omega_out, const Vec3 &domega_out_dx, const Vec3 &domega_out_dy,
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float randu, float randv,
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Vec3 &omega_in, Vec3 &domega_in_dx, Vec3 &domega_in_dy,
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float &pdf, Color3 &eval) const
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{
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// we are viewing the surface from the right side - send a ray out with cosine
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// distribution over the hemisphere
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sample_cos_hemisphere (-m_N, omega_out, randu, randv, omega_in, pdf);
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if (Ng.dot(omega_in) < 0) {
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eval.setValue(pdf, pdf, pdf);
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// TODO: find a better approximation for the diffuse bounce
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domega_in_dx = (2 * m_N.dot(domega_out_dx)) * m_N - domega_out_dx;
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domega_in_dy = (2 * m_N.dot(domega_out_dy)) * m_N - domega_out_dy;
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domega_in_dx *= -125;
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domega_in_dy *= -125;
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} else
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pdf = 0;
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return Labels::TRANSMIT;
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}
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ustring sample(const Vec3 &Ng,
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const Vec3 &omega_out, const Vec3 &domega_out_dx, const Vec3 &domega_out_dy,
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float randu, float randv,
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Vec3 &omega_in, Vec3 &domega_in_dx, Vec3 &domega_in_dy,
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float &pdf, Color3 &eval) const
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{
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// we are viewing the surface from the right side - send a ray out with cosine
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// distribution over the hemisphere
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sample_cos_hemisphere(-m_N, omega_out, randu, randv, omega_in, pdf);
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if (Ng.dot(omega_in) < 0) {
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eval.setValue(pdf, pdf, pdf);
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// TODO: find a better approximation for the diffuse bounce
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domega_in_dx = (2 * m_N.dot(domega_out_dx)) * m_N - domega_out_dx;
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domega_in_dy = (2 * m_N.dot(domega_out_dy)) * m_N - domega_out_dy;
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domega_in_dx *= -125;
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domega_in_dy *= -125;
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}
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else
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pdf = 0;
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return Labels::TRANSMIT;
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}
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};
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ClosureParam bsdf_diffuse_params[] = {
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CLOSURE_VECTOR_PARAM (DiffuseClosure, m_N),
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CLOSURE_STRING_KEYPARAM("label"),
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CLOSURE_FINISH_PARAM (DiffuseClosure) };
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CLOSURE_VECTOR_PARAM(DiffuseClosure, m_N),
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CLOSURE_STRING_KEYPARAM("label"),
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CLOSURE_FINISH_PARAM(DiffuseClosure)
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};
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ClosureParam bsdf_translucent_params[] = {
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CLOSURE_VECTOR_PARAM (TranslucentClosure, m_N),
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CLOSURE_STRING_KEYPARAM("label"),
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CLOSURE_FINISH_PARAM (TranslucentClosure) };
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CLOSURE_VECTOR_PARAM(TranslucentClosure, m_N),
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CLOSURE_STRING_KEYPARAM("label"),
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CLOSURE_FINISH_PARAM(TranslucentClosure)
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};
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CLOSURE_PREPARE(bsdf_diffuse_prepare, DiffuseClosure)
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CLOSURE_PREPARE(bsdf_translucent_prepare, TranslucentClosure)
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